Sequenced scintigraphy: A morphological and functional study of the salivary glands

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Abstract
The use of scintigraphy in sequenced registration shows that there are three fundamental stages in the intraglandular turnover of the radio-nuclide: 1. At very early stage (between 3 min. and 15 min.), the major salivary glands could be clearly distinguished; 2. At the stage immediately following (between 20 min. and 35 min.), both the parotid and submaxillary glands were already less well defined; while in the mouth projection zone, quite intense radioactivity, connected with a progressive accumulation of the radionuclide in the minor salivary glands, was seen; 3. Within an hour after injection, maximum captation took place in the minor salivary glands, while both the parotid and the submaxillary glands were hardly distinct. These three stages are strictly related to the three phases of behavior of the radionuclide in each salivary gland: arrival, accumulation, dismissal. Then, each documented variation from the normal pattern will indicate a determined functional anomaly related to defined disease of the salivary glands. The sequenced scintigraphy offers a functional study of the salivary glands from which it is possible to obtain many elements of practical clinical utility.

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